A back cover with (Victorian style) ads for fictional Elemental products would be icing on the comic cake, you remember the novelty overkill: [link]Especially in context with the heartwarming story that Geoffrey came to the Professor as a baby in a teacup via mailorder: [link] Read the small print about the side effects: "Just add milk. Can grow up to 175 cm (5 ft 9 in) in height and over 118 kg (260 lb) in weight. No refunds."